<template>
  <view>
    <view class="goods-list">
      <view v-for="goods,i in goodsList" :key="i" @click="gotoDetail(goods)">
        <!-- 为 my-goods 组件动态绑定 goods 属性的值 -->
        <my-goods :goods="goods"></my-goods>
      </view>

    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 请求参数对象
        queryObj: {
          query: '',
          cid: '',
          pagenum: 1,
          pagesize: 10
        },
        goodsList: [],
        total: 0,
        isloading: false

      };
    },
    onLoad(options) {
      // console.log(options)
      // 定义请求参数对象
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      this.getGoodList()
    },
    methods: {
      // 获取商品列表数据
      async getGoodList(cb) {
        // 打开节流阀
        this.isloading = true
        const {
          data: res
        } = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
        // 关闭节流阀
        this.isloading = false
        // 只要数据请求完毕  就要按需调用cb回调函数
        cb && cb()
        if (res.meta.status !== 200) return uni.$showMsg()
        // 为数据赋值
        // console.log(res)
        this.goodsList = [...this.goodsList, ...res.message.goods]
        this.total = res.message.total

      },
      gotoDetail(item) {
        uni.navigateTo({
          url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
        })
      }
      
    },
    // 触底事件 150
    onReachBottom() {
      if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
      if (this.isloading === true) return
      // 触底后页面加1
      this.queryObj.pagenum += 1,
        this.getGoodList()
    },
    //下拉刷新事件
    onPullDownRefresh() {
      // 重置关键数据
      this.queryObj.pagenum = 1
      this.total = 0
      this.isloading = false
      this.goodsList = []
      // 重新发起数据请求
      this.getGoodList(() =>
        uni.stopPullDownRefresh()
      )
    },
 
  }
</script>

<style lang="scss">

</style>
